package com.hmdp.utils;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.util.StrUtil;
import com.hmdp.dto.UserDTO;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

import static com.hmdp.utils.RedisConstants.LOGIN_USER_TTL;

/**
 * 拦截器
 */
public class LoginInterceptor implements HandlerInterceptor {



    /**
     * 前置拦截器
     * @param request
     * @param response
     * @param handler
     * @return
     * @throws Exception
     */@Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        if (UserHolder.getUser()==null){
            response.setStatus(401);
            return false;
        }
        return true;
    }
}
